*{
    margin: 0;
    padding: 0;
    list-style: none;
}

.main{
    padding: 15px;
    background-color: #f5f5f5;
}

.main>header{
    height: 40px;
    background: linear-gradient(90deg, #4CAF50, #2196F3);
    font-size: 1.1em;
    line-height: 40px;
    text-indent: 2em;
    color: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

nav>ul{
    margin-top: 20px;
    display: flex;
    justify-content: space-between;
}

nav>ul>li{
    height: 100px;
    width: 15%;
    border-radius: 8px;
    background-size: cover;
    background-repeat: no-repeat;
    position: relative;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

nav>ul>li:hover {
    transform: translateY(-5px);
}

nav>ul>li:after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.2);
    z-index: 1;
    border-radius: 8px;
}

nav>ul>li>p{
    color: #fff;
    height: 44px;
    line-height: 44px;
    text-align: center;
    position: relative;
    z-index: 2;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    font-weight: 500;
}

nav>ul>li:nth-child(1){
    background-image: url("../images/1.jpg");
}

nav>ul>li:nth-child(2){
    background-image: url("../images/2.jpg");
}

nav>ul>li:nth-child(3){
    background-image: url("../images/3.jpg");
}

nav>ul>li:nth-child(4){
    background-image: url("../images/4.jpg");
}

nav>ul>li:nth-child(5){
    background-image: url("../images/5.jpg");
}

nav>ul>li:nth-child(6){
    background-image: url("../images/6.jpg");
}

caption{
    margin-top: 10px;
    color: #4CAF50;
    font-weight: 600;
}

caption>span{
    padding-right: 10px;
    color: #2196F3;
}

#chart{
    width: 100%;
    height: 83vh;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.content{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    padding: 20px;
    box-sizing: border-box;
    background-color: #f5f5f5;
}

.content>li{
    width: calc(50% - 15px);
    margin-bottom: 30px;
    box-sizing: border-box;
    border-radius: 8px;
    background-color: white;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.content>li:hover {
    transform: translateY(-5px);
}

.content>li>p{
    height: 40px;
    width: 100%;
    text-align: center;
    font-size: 1em;
    margin-left: 5px;
    line-height: 40px;
    font-weight: bold;
    color: #FF9800;
    border-bottom: 1px solid rgba(255,152,0,0.2);
}

.cloud{
    padding: 10px;
    width: 96%;
    margin-left: 2%;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.cloud>img{
    width: 100%;
    border-radius: 4px;
}